Gas-furnace.



J. BUEB.

GAS FURNACE.

APPLICATION FILED JAN. 21, 1908.

5328,4942. Patented July 20, 1909.

u l E (i /luv; l 3% 4$ JULIUS BUEB, OF DESSAU, GERMANY GAS-FURNACE.

To all whom it may concern:

Be it known that 1, Jumps Bonn, a resident of Dessau, Germany, a subject of the Emperor of Germany have invented certain new and useful Improvements in Gas-Fun naces, of which the'following is a'specification.

This invention relates to gas furnaces and more particularly those for the heating of retorts by producer gas and has for its object to enable the manner in which the heat is applied to the retortsto be regulated.

According to this invention gas and air enter the combustion chamber 1n approxi mately parallel streams and the blending of these currents so as to produce variations in the strength of the mixture and in the resultant heat obtained is effected by the disposition in the combustion chamber of bricks or the like which constitute baliies, the position of which can be adjusted.

The accompanying drawing illustrates by Way of example a gas .furnace provided with vertical retorts and constructed in accordance with the present invention.

Figure 1 is a vertical section through the combustion chamber of the furnace. Fig. 2 is a horizontal section on .the line 2-2 of Fig. 1. Fi 3 is a horizontal section on the line 3-3 0 Fig. 1.

Producer gas is supplied to'the combustion chamber a through a passage 1; with horizontal openings 0 and air which has previously been heated is supplied through a passage (l with horizontal openings 6. The passages b and (Z are thus separated from each other by a partition 7 and their 0 enings are parallel or approximately para] el. The retorts g are disposed in the combustion chamher a in two series one behind the other. Between each pair of retorts g air and gas are introduced in parallel streams through the openings e and 0. The path taken by the combustion gases is indicated by arrows 1n the drawmg. The producer gas and air entering in the approximately parallel streams indicated first strike against a ballle it placed on the hearth i of the combustion chamber a with the result that these streamsare partly mixed whereby combustion is started. The gases deflected upward by the first baflle h are then directed downward by a partition m projecting downward from the roof of the chamber. The gases now impinge against a second ballle h where further combustion takes place.

Specification of Letters Patent.

Application filed January 21, 1908. Serial No. 412,013.

Patented July 20, 1909.

By means of a second partition the hot gases are again directed downward so as to.

come into contact with the lower corners of the outer retorts the gases finally escaping upward as indicated by the arrow in Fig. 1. in this way by employing several battles h of brick or other suitable material and placing these loosely on the hearth 2' preferably alternately withthe partitions m it is )ossible to re ulate as desired the develo l s l ment or generation of heat in thecombustion chamber (4. Thus for example by moving the first battle it toward the gas and air open ings c and c it is possible to obtain a richer mixture and consequently a more intensive development of heat during an earlier stage in the combustion. Movement of the first bailie away from the openings has an opponor, for instance by means of pokers or other rods introduced through suitable openings.

It will be observed that gas and air issue in approximately parallel streams from the openings 0 and e respectirely and if no 'obstructiou such as the bailie h were interposed, they would mix very-slowly and combustion would occur practicallyonly at the contact surface of the two streams. The first batile /1. produces an cddying motion and a mixing of the two streams, and this action will be the more energetic the nearer the battle is placed to theopcnings c, c, where the two streams have the smallest cross section and therefore the greatest speed The first bafflc h is so placed as to produce only a partial mixture and combustiom and the resulting products are passed through the contraction formed by the first partition m, thus giving the gases a greater speed before they are thrown against the second batlie k where a further mixture and combustion takes place. I am thus enabled tot spread the combustion area over a space of considerable length, and to regulate the combustion by ad'usting the battles h lengthwise of the path 0 the gases.

I claim as my invention 1. In a gas furnace the combination of a combustion chamber having means For discharmg air and gas into'it in substantially toward the chamber wall from which the Fara lel streams, with a bafile adjustable bafilesproject. 1 toward and from said means and disposed In testimony whereof, I have hereunto in the path of the gas and air streams. signed my name in the presence of two sub- 7 Ina gashfurnace, the combination of a scribing witnesses. .iombustion c amber having means for disv eharging air and gas into it in substantially JULIUS BUEB' 'k arallel streams, with bafiies adjustable -Witness'es:

tiward and from said means, and a partition WOLDEMAR I-IAUPT, W0 located between said baffles and extending HENRY HASPER. 

